Cerebral perfusion and stroke.
D000208:Acute Disease; D001921:Brain / Q000098:blood supply* / Q000000981:diagnostic imaging; D002545:Brain Ischemia / Q000503:physiopathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D012039:Regional Blood Flow; D020521:Stroke / Q000503:physiopathology*; D014055:Tomography, Emission-Computed; D014057:Tomography, X-Ray Computed